247509780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2903}}^1$

素因数の和:2958

約数の個数: 144

約数和(自身を含む): 834261120

約数和(自身を除く): 586751340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 735, 812, 870, 980, 1015, 1218, 1421, 1470, 1740, 2030, 2436, 2842, 2903, 2940, 3045, 4060, 4263, 5684, 5806, 6090, 7105, 8526, 8709, 11612, 12180, 14210, 14515, 17052, 17418, 20321, 21315, 28420, 29030, 34836, 40642, 42630, 43545, 58060, 60963, 81284, 84187, 85260, 87090, 101605, 121926, 142247, 168374, 174180, 203210, 243852, 252561, 284494, 304815, 336748, 406420, 420935, 426741, 505122, 568988, 589309, 609630, 711235, 841870, 853482, 1010244, 1178618, 1219260, 1262805, 1422470, 1683740, 1706964, 1767927, 2133705, 2357236, 2525610, 2844940, 2946545, 3535854, 4125163, 4267410, 5051220, 5893090, 7071708, 8250326, 8534820, 8839635, 11786180, 12375489, 16500652, 17679270, 20625815, 24750978, 35358540, 41251630, 49501956, 61877445, 82503260, 123754890, 247509780]

約数ペア:

[(1, 247509780), (2, 123754890), (3, 82503260), (4, 61877445), (5, 49501956), (6, 41251630), (7, 35358540), (10, 24750978), (12, 20625815), (14, 17679270), (15, 16500652), (20, 12375489), (21, 11786180), (28, 8839635), (29, 8534820), (30, 8250326), (35, 7071708), (42, 5893090), (49, 5051220), (58, 4267410), (60, 4125163), (70, 3535854), (84, 2946545), (87, 2844940), (98, 2525610), (105, 2357236), (116, 2133705), (140, 1767927), (145, 1706964), (147, 1683740), (174, 1422470), (196, 1262805), (203, 1219260), (210, 1178618), (245, 1010244), (290, 853482), (294, 841870), (348, 711235), (406, 609630), (420, 589309), (435, 568988), (490, 505122), (580, 426741), (588, 420935), (609, 406420), (735, 336748), (812, 304815), (870, 284494), (980, 252561), (1015, 243852), (1218, 203210), (1421, 174180), (1470, 168374), (1740, 142247), (2030, 121926), (2436, 101605), (2842, 87090), (2903, 85260), (2940, 84187), (3045, 81284), (4060, 60963), (4263, 58060), (5684, 43545), (5806, 42630), (6090, 40642), (7105, 34836), (8526, 29030), (8709, 28420), (11612, 21315), (12180, 20321), (14210, 17418), (14515, 17052)]